Subject: Re: Memory allocation errors in hkgtigen in Fedora 28 and 30 beta
To: Pedro Rodriguez <firstname.lastname@example.org>
From: Roderick Johnstone <email@example.com>
Date: Thu, 18 Apr 2019 08:32:19 +0100
Thats fine. Thank you.
On 17/04/2019 13:11, Pedro Rodriguez wrote:
> your question has been forwarded to SAS developers for detailed analysis.
> Please, note that due to Easter holidays the reply will not be available
> next week.
>> Full_Name: Roderick Johnstone
>> Submission from: (NULL) (220.127.116.11)
>> This is a follow up to #84519.
>> Running rgsproc on recent versions of Fedora linux causes hkgtigen to
>> the message:
>> ** rgsproc::hkgtigen: fatal error (OutOfMemory), An out-of-memory
>> occurred: A component of the task `rgsproc' has tried to allocate more
>> memory than what is currently available in the system. A likely cause
>> an attempt to read and/or write a very large data set with the DAL in
>> high-memory-mode. In this case, please choose the low-memory-model (see
>> documentation for details) and try again. If this does not help it
>> too many users are using the system or the swap space is insufficient.
>> I don't think the system is really out of memory because the task runs
>> on the same hardware with an earlier glibc. See details below...
>> I've seen this on Fedora 28 and now on Fedora 30 beta which I am
>> both sas 16.1.0 and 17.0.0.
>> The task works normally under Fedora 28 with glibc-2.27-35 or previous
>> but fails with the more recent updates, eg glibc-2.27-38.
>> My Fedora 30 testing system has glibc-2.29-9 on which it also fails.
>> It is possible to work around the error by setting the environment
>> MALLOC_CHECK_ to the value 1 or 2. Setting it to 0 still causes the
>> When setting MALLOC_CHECK_ to 1 or 2 the task rgsproc appears to run to
>> completion without any errors and the output files appear to be
>> There are no warning printed from glibc which is what might be expected
>> there was a coding problem.
>> Could someone look at this please?
>> Roderick Johnstone
>> This is with:
>> SAS release: xmmsas_20180620_1732-17.0.0
>> Compiled on: Wed Jun 20 21:06:03 CEST 2018
>> Compiled by: sasbuild@sasbld03n
>> Platform : Ubuntu16.04 64
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